- $7.00Emtech Laboratories Hearing Aid Battery Tester KeychainAmazon
- $7.55Emtech Laboratories Behind-the-ear Earmold HW #13 clear tubing .076 X .130Amazon
- $9.30Emtech Laboratories Behind-The-Ear Earmold HW TRS - Plastic Lock Tubing for Hearing Aids (Clear)Amazon
- $8.40Emtech Laboratories Behind The Ear Earmold SW #13 Clear tubing .076 X .122 BTEAmazon